硒酸（CAS 7783-08-6）：分子式 H2O4Se、分子量 144.98。
| CAS号 | 7783-08-6 |
|---|---|
| 分子式 | H2O4Se |
| 分子量 | 144.98 |
| 熔点 | 70 |
| 沸点 | 260 °C (decomposes) |
| LogP | -1.6279 |
| 应用领域 | Uses: Used to make selenates by reaction with metal oxides or hydroxides、[Ullmann]、Added to chromium-plating baths to improve corrosion protection from pitting、blistering、and rusting、especially of plated automobile articles exposed to salt in the North American snow belt.、Methods of Manufacturing: Prepared by treating lead selenate with hydrogen sulfide and concentrating the filtered soln by evaporation、... by treating calcium selenate with cadmium oxalate and hydrogen sulfide、... by treating a soln of silver selenite with bromine and evaporating the filtered solutionn、... by oxidizing selenium oxide with 30% hydrogen peroxide and removing water.、Selenous acid is oxidized to selenic acid by strong oxidizing agents such as chlorine、chloric acid、ozone、or anodic oxidation.、General Manufacturing Information: Selenic acid: ACTIVE |
登记用途：Uses: Used to make selenates by reaction with metal oxides or hydroxides、[Ullmann]、Added to chromium-plating baths to improve corrosion protection from pitting、blistering、and rusting、especially of plated automobile articles exposed to salt in the North American snow belt.、Methods of Manufacturing: Prepared by treating lead selenate with hydrogen sulfide and concentrating the filtered soln by evaporation、... by treating calcium selenate with cadmium oxalate and hydrogen sulfide、... by treating a soln of silver selenite with bromine and evaporating the filtered solutionn、... by oxidizing selenium oxide with 30% hydrogen peroxide and removing water.、Selenous acid is oxidized to selenic acid by strong oxidizing agents such as chlorine、chloric acid、ozone、or anodic oxidation.、General Manufacturing Information: Selenic acid: ACTIVE。
硒酸 是一种化工化合物，登记 CAS 号为 7783-08-6，分子式 H2O4Se（分子量 144.98）。
登记 CAS 号：7783-08-6
其分子式 H2O4Se 由 2 个氢、4 个氧、1 个硒 组成。
别名/同义词：硒酸 · Selenic acid
硒酸 的 CAS 登记号为 7783-08-6。
分子式 H2O4Se，分子量 144.98。
别名/同义词：硒酸、Selenic acid。
登记用途：Uses: Used to make selenates by reaction with metal oxides or hydroxides、[Ullmann]、Added to chromium-plating baths to improve corrosion protection from pitting、blistering、and rusting、especially of plated automobile articles exposed to salt in the North American snow belt.、Methods of Manufacturing: Prepared by treating lead selenate with hydrogen sulfide and concentrating the filtered soln by evaporation、... by treating calcium selenate with cadmium oxalate and hydrogen sulfide、... by treating a soln of silver selenite with bromine and evaporating the filtered solutionn、... by oxidizing selenium oxide with 30% hydrogen peroxide and removing water.、Selenous acid is oxidized to selenic acid by strong oxidizing agents such as chlorine、chloric acid、ozone、or anodic oxidation.、General Manufacturing Information: Selenic acid: ACTIVE。
硒酸（CAS 7783-08-6）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 7783-08-6 |
|---|---|
| PubChem CID | 1089 |
| Molecular formula | H2O4Se |
| IUPAC name | selenic acid |
| UNII (FDA) | HV0Y51NC4J |
| Molecular Weight | 144.98 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 145.91183 |
| Monoisotopic Mass | 145.91183 |
| Topological Polar Surface Area | 74.6 |
| Heavy Atom Count | 5 |
| Boiling Point | 260 °C (decomposes) |
|---|---|
| Melting Point | 70 |
| Melting Point | 58 °C |
| Solubility | 1300 g in 100 mL water at 30 °C |
| LogP | -1.6279 |
| Dissociation Constants | pKa1 = 1.7 |
SELENIC ACID; 7783-08-6; HV0Y51NC4J; UN1905; Acid, Selenic; Selenate, Calcium; Selenate, Ammonium; Selenate, Magnesium; Selenate, Potassium; Selenate, Monosodium; CHEBI:18170; H2SeO4; selenic acid, calcium salt; selenic acid, ammonium salt; selenic acid, magnesium salt; selenic acid, potassium salt
| Reported hazard statements | H301, H331 (86.7%), H315 (86.7%), H318 (88.9%), H373 (97.8%), H400 (97.8%), H410 (97.8%), H370 |
|---|
H301+H331 (86.7%): Toxic if swallowed or if inhaled [Danger Acute toxicity, oral; acute toxicity, inhalation]
H301 (97.8%): Toxic if swallowed [Danger Acute toxicity, oral]
Selenic acid · CAS 7783-08-6 · H2O4Se. UNII HV0Y51NC4J. Boiling Point: 260 °C (decomposes); Melting Point: 70; Melting Point: 58 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Selenic acid